First, this post (and my Raspberry Pi Kubernetes Cluster) stands on the
shoulders of giants: work that’s already been done and explored by others. This
post serves pretty much as a “here’s what I did so it worked for me” post
based on their work.

I spent most of today hacking together a swarm from parts at home. My new PI with a couple older ones, an old router, cables and lots of tape to hold everything down to my work bench.
The posts from Alex walk you through almost everything you need to know and it has references
Not sure what to do with it now that I have OpenFaas working for home use